@8.11 Row and Column

import 'package:flutter/material.dart';

//Google => Material
//Iphone => Cupertino
//Widget => less ,ful
//debug //release // hybrid
//Container
//project file network memory
//Row Column Stack ListVeiw GridView
//variable List Map Set
// 6 3 3
void main() {
  runApp(const MaterialApp(
    debugShowCheckedModeBanner: false,
    home: FirstApp(),
  ));
}

class FirstApp extends StatelessWidget {
  const FirstApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
       appBar: AppBar(),
       body: Column(children: [
         Expanded(
           flex: 6,
           child: Container(
             color: Colors.red,
           ),
         ),
         Expanded(
           flex: 3,
           child: Container(
             color: Colors.blue,
           ),
         ),
         Flexible(
           flex: 3,
           child: Container(
             color: Colors.green,
           ),
         )
       ],),

      
       );
  }
}